Measurement and correlation of the solid-liquid equilibrium of 2-(tert-butyl)-5-methylphenol and 2-(tert-butyl)-4-methylphenol binary system

被引：8

作者：

Sun, Yanhong ^{[1
]}

Li, Zhiyong ^{[1
]}

Xie, Chuang ^{[1
]}

Chen, Wei ^{[1
]}

Zhang, Cui ^{[2
]}

机构：

[1] Tianjin Univ, Sch Chem Engn & Technol, Natl Engn Res Ctr Ind Crystallizat Technol, Tianjin 300072, Peoples R China

[2] Nankai Univ, Key Lab Adv Energy Mat Chem, Inst New Catalyt Mat Sci, Minist Educ,Coll Chem, Tianjin 300071, Peoples R China

来源：

FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING | 2013年 / 7卷 / 01期

基金：

中国国家自然科学基金;

关键词：

solid-liquid equilibrium (SLE); eutectic; integrated computer aided system (ICAS); TOPEM; correlation;

D O I：

10.1007/s11705-013-1316-7

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this work, the enthalpy of fusion and melting points of 2-(tert-butyl)-5-methylphenol (2B5MP) and 2-(tert-butyl)-4-methylphenol (2B4MP) were measured by differential scanning calorimetry (DSC). The binary solid-liquid equilibrium (SLE) of both compounds were predicted by integrated computer aided system (ICAS) and measured by DSC. The corresponding eutectic molar composition is 0.6998 and the eutectic temperature is 281.96 K. The quasi-static heat capacities of 2B5MP and 2B4MP were evaluated by stochastic temperature modulation DSC technique (TOPEM). The SLE experimental data were correlated using the Margules, Wilson, and non-random two liquid (NRTL) equations and a good agreement between measurement and calculation could be obtained.

引用

页码：110 / 115

页数：6

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